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Finding the Fourth Proportional to 264,476.64, 364,855.68 and 156,985.92

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Solution

The fourth proportional to 264,476.64, 364,855.68 and 156,985.92 is: 216,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,476.64 : 364,855.68 = 156,985.92 : x
  2. Step 2: Convert to fraction form
    264,476.64/364,855.68 = 156,985.92/x
  3. Step 3: Cross multiply
    264,476.64x = 364,855.68 × 156,985.92
  4. Step 4: Simplify right side
    264,476.64x = 57,277,204,592.03
  5. Step 5: Solve for x
    x = 57,277,204,592.03/264,476.64
  6. Step 6: Final answer
    x = 216,568.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.